diff --git a/apps/lightswitch/widget.js b/apps/lightswitch/widget.js
index 6b573355b..601849414 100644
--- a/apps/lightswitch/widget.js
+++ b/apps/lightswitch/widget.js
@@ -121,6 +121,7 @@
         } else {
           // activate backlight
           this.isOn = true;
+          Bangle.setLCDPower(true);
           // redraw complete widget icon
           this.drawIcon(false);
         }